/* eslint indent: 0 */
/* eslint @typescript-eslint/no-namespace: 0 */
////
// note:
//
// at the time of writing, constants are mainly a means of defining a
// controlled vocabulary that is referenced across the entire WikiBonsai
// project (https://github.com/wikibonsai/wikibonsai/blob/main/docs/TERMS.md).
declare namespace CONST {
    // const names
    // "direction"
    const DIR: {
        readonly FORE: "fore";
        readonly BACK: "back";
    };
    // kind of relationships
    // (used for short-hand)
    const REL: {
        readonly FAM: {
            readonly FAM: "fam";
            readonly ANCESTOR: "ancestor";
            readonly PARENT: "parent";
            readonly SIBLING: "sibling";
            readonly CHILD: "child";
            readonly DESCENDANT: "descendant";
            readonly LINEAGE: "lineage";
        };
        readonly REF: {
            readonly REF: "ref";
            readonly ATTR: "attr";
            readonly LINK: "link";
            readonly EMBED: "embed";
            readonly DIR: {
                readonly FORE: "fore";
                readonly BACK: "back";
            };
        };
    };
    // wiki construct kinds
    const WIKI: {
        readonly REF: "wikiref";
        readonly ATTR: "wikiattr";
        readonly LINK: "wikilink";
        readonly EMBED: "wikiembed";
    };
    // type kinds
    // (embeds don't have types)
    const TYPE: {
        readonly REF: "reftype";
        readonly ATTR: "attrtype";
        readonly LINK: "linktype";
    };
    const MEDIA: {
        readonly MD: "markdown";
        readonly PDF: "pdf";
        readonly AUD: "audio";
        readonly IMG: "image";
        readonly VID: "video";
    };
    // uri formats
    // (used for markdown link conversion)
    const URI: {
        readonly FNAME: "filename";
        readonly ABSPATH: "absolute";
        readonly RELPATH: "relative";
    };
    // const marker symbols
    const MARKER: {
        readonly EMBED: "!";
        readonly PREFIX: ":";
        readonly TYPE: "::";
        readonly OPEN: "[[";
        readonly HEADER: "#";
        readonly LABEL: "|";
        readonly CLOSE: "]]";
    };
    // const file extensions
    const EXTS: {
        readonly MD: ".md";
        readonly PDF: ".pdf";
        readonly AUD: Set<string>;
        readonly IMG: Set<string>;
        readonly VID: Set<string>;
    };
    // glob
    const GLOB_MEDIA: string;
}
interface MatchAttr {
    text: string;
    start: number;
    type: [
        string,
        number
    ];
    filenames: [
        string,
        number
    ][];
    listFormat: "comma" | "mkdn" | "none";
}
declare namespace RGX {
    // <------------------------------------------------------------------------>
    //  markdown/wikilink special/reserved characters
    // <------------------------------------------------------------------------>
    const _MKDN: {
        readonly ATX_HEADER: RegExp;
        readonly SETEXT_HEADER: RegExp;
        readonly BULLET: RegExp;
        readonly LINK: RegExp;
        readonly IMAGE: RegExp;
    };
    const MARKER: {
        readonly EMBED: RegExp;
        readonly NOT_EMBED: RegExp;
        readonly PREFIX: RegExp;
        readonly TYPE: RegExp;
        readonly OPEN: RegExp;
        readonly HEADER: RegExp;
        readonly LABEL: RegExp;
        readonly CLOSE: RegExp;
    };
    // <------------------------------------------------------------------------>
    //  valid characters for wikilink text (wikitext)
    // <------------------------------------------------------------------------>
    const VALID_CHARS: {
        readonly TYPE: RegExp;
        readonly FILENAME: RegExp;
        readonly HEADER: RegExp;
        readonly LABEL: RegExp;
    };
    // <------------------------------------------------------------------------>
    //  capture groups for wikilink text (wikitext)
    // <------------------------------------------------------------------------>
    const CAP_GRP: {
        readonly TYPE: RegExp;
        readonly FILENAME: RegExp;
        readonly HEADER: RegExp;
        readonly LABEL: RegExp;
    };
    const ATTR_UTIL: {
        readonly LIST_COMMA: RegExp;
        readonly PREFIX: RegExp;
    };
    // <------------------------------------------------------------------------>
    //  for full parsing (w/ line-by-line utilities)
    // <------------------------------------------------------------------------>
    // for line-by-line attr processing
    const ATTR_LINE: {
        readonly TYPE: RegExp;
        readonly LIST_ITEM: RegExp;
    };
    // full regex -- can be used with 'g' (global) option
    const WIKI: {
        BASE: RegExp;
        LINK: RegExp;
        EMBED: RegExp;
        _ATTR: RegExp;
        ATTR(content: string): MatchAttr[];
    };
    // <------------------------------------------------------------------------>
    //  utilities to extract out target wikitext
    //  (useful for entity interactions, renaming things, etc.)
    // <------------------------------------------------------------------------>
    const GET: {
        readonly LINKTYPE: RegExp;
        readonly ATTRTYPE: RegExp;
        readonly REFTYPE: RegExp;
        readonly FILENAME: RegExp;
        readonly HEADER: RegExp;
    };
}
// todo:
// - handle 'wikiattr' individually
interface ConvertOpts {
    kind?: "wikiref" | "wikilink" | "wikiembed"; // CONST.WIKI...
    format?: "filename" | "relative" | "absolute"; // CONST.URL...
    ext?: boolean;
    fnameToUriHash?: Record<string, string>;
    uriToFnameHash?: Record<string, string>;
}
/**
 * Remove pointless wikilink labels: empty `|`, or `|target` when label duplicates the target
 * (including `[[file#header|file#header]]`). Applies to `[[...]]` and `![[...]]`.
 */
declare function stripEmptyWikiLinkLabels(content: string): string;
declare function mkdnToWiki(content: string, opts?: ConvertOpts): string | undefined;
declare function wikiToMkdn(content: string, opts?: ConvertOpts): string | undefined;
// todo:
// - should filename validity be checked here, or at a higher level? (duplicate filenames + valid filename chars)
// - add ability to update only certain kinds of wikirefs (see 'wikiToMkdn' for logic)
declare function renameFileName(oldFileName: string, newFileName: string, content: string, opts?: {
    escape?: boolean;
}): string;
// alias
declare function rename(oldFileName: string, newFileName: string, content: string, opts?: {
    escape?: boolean;
}): string;
declare function renameHeader(oldHeader: string, newHeader: string, content: string, opts?: {
    filename?: string;
    escape?: boolean;
}): string;
// alias
declare function rehead(oldHeader: string, newHeader: string, content: string, opts?: {
    filename?: string;
    escape?: boolean;
}): string;
declare function retypeRefType(oldRefType: string, newRefType: string, content: string, opts?: {
    escape?: boolean;
}): string;
declare function retypeAttrType(oldAttrType: string, newAttrType: string, content: string, opts?: {
    escape?: boolean;
}): string;
declare function retypeLinkType(oldLinkType: string, newLinkType: string, content: string, opts?: {
    escape?: boolean;
}): string;
// types
interface ScanOpts {
    filename?: string;
    kind?: string;
    skipEsc?: boolean;
}
interface ScanTxt {
    text: string;
    start: number;
}
// wikirefs (grouped constructs)
interface ScanAttr {
    kind: "wikiattr";
    match: string;
    start: number;
    type: ScanTxt;
    filenames: ScanTxt[];
    listFormat: "comma" | "mkdn" | "none";
}
interface ScanLink {
    kind: "wikilink";
    match: string;
    start: number;
    type?: ScanTxt;
    filename: ScanTxt;
    header?: ScanTxt;
    label?: ScanTxt;
}
interface ScanEmbed {
    kind: "wikiembed";
    match: string;
    start: number;
    filename: ScanTxt;
    header?: ScanTxt;
    media: string;
}
type ScanRef = ScanAttr | ScanLink | ScanEmbed;
// filenames (flat)
interface ScannedFileName {
    filename: ScanTxt;
    kind: "wikiattr" | "wikilink" | "wikiembed";
    type?: ScanTxt;
    header?: ScanTxt;
    label?: ScanTxt;
    media?: string;
    listFormat?: "comma" | "mkdn" | "none";
}
// scan result
interface ScanResult {
    wikirefs: ScanRef[];
    filenames: ScannedFileName[];
}
// scan
declare function scan(content: string, opts?: ScanOpts): ScanResult;
declare function getMediaKind(filename: string): string;
declare function isMedia(filename: string): boolean;
declare function slugify(text: string): string;
/**
 * Extract the markdown section for a given header, for embed rendering.
 * The section runs from the end of the matching header line until the next
 * header of the same or higher level, or end of content.
 *
 * @param content - Full markdown document
 * @param headerRef - Header identifier: id/slug (e.g. "header-text") or raw text (e.g. "Header Text")
 * @returns The section markdown (after the header line), or undefined if no matching header
 */
declare function getHeaderSection(content: string, headerRef: string): string | undefined;
export { CONST, MatchAttr, RGX, ConvertOpts, stripEmptyWikiLinkLabels, mkdnToWiki, wikiToMkdn, renameFileName, rename, renameHeader, rehead, retypeRefType, retypeAttrType, retypeLinkType, ScanOpts, ScanTxt, ScanAttr, ScanLink, ScanEmbed, ScanRef, ScannedFileName, ScanResult, scan, getMediaKind, isMedia, slugify, getHeaderSection };